Edward and Janefer(Rowe) Tremelling

Edward and Janefer Tremelling immigrated to Australia, 1st January 1867 on the Canterbury. They live in St. Austell in Cornwall. Where married 15th February 1864 in Penwith Hundred Cornwall.I would like to know anything relating to their family, Edwards parents etc. I make Edwards date of birth approx 1845. They had two children Emily and James when they left U.K. Edward was a ploughman yard labourer. Thanks